[  835.320843][T21563] bond0: (slave eth0): making interface the new active one
[  835.321334][T21563] bond0: (slave eth0): Enslaving as an active interface with an up link
[  835.370717][T21564] 8021q: adding VLAN 0 to HW filter on device bond0
[  839.593001][T21567] bond0: (slave eth0): Releasing backup interface
[  839.744952][T21570] bond0: (slave eth0): Enslaving as an active interface with an up link
[  839.809191][T21571] 8021q: adding VLAN 0 to HW filter on device bond0
[  843.976736][   T12] bond0: (slave eth0): Releasing backup interface
[  844.025718][   T12] bond0 (unregistering): Released all slaves